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Class III Bio Safety Cabinet


Class III Cabinets are defined as a totally enclosed ventilated unit of gas-light construction. Operations in the cabinet are conducted through hand-holes with rubber gloves. The cabinet unit is maintained under negative air pressure of at least 0.5 inch water gauge (12.7mm WG).

Supply air is drawn into the cabinet through HEPA filters. The exhaust air treated by double incinerations. The Class III Cabinets are suitable for work with agents that require biosafety level 1, 2, 3 or 4 containment.

Class III biological safety cabinet systems aid in the control of airborne particulate contaminants generated during various procedures, including weighing and diluting chemical carcinogens, working with high risk agents or high concentrations of low or moderate risk agents, or when there equipment which generates high volume aerosol is used.

This type cabinet system provides the means to control airborne particulate contaminants, including micro-organisms determined to be potentially harmful to personnel, the product and the environment.

The Biological Safety Cabinets meet or exceed ISO 14644-1, Federal Standard 209E for ISO 3 & 5/ Class 100 air and IES Recommended Practice for Clean Air Devices.

Our Biological Safety Cabinets are available in different sizes and these models can also be configured to meet your needs. These units feature 99.997 % HEPA filtration system or 99.999% ULPA filtration system, air intake grill and pre-filter, fluorescent lighting, centrally located control centre, vibration control system and available in optional stainless steel work-surfaces and increased work zone height.


Technical Features

Material of Construction (Main Body)Model NoDimensions
External (W x D x H)Internal (W x D x H)
CRCA / GI Powder Coated / Stainless Steel 304 MFD-BS/-III-600 750 x 875 x 2250 mm 610 x 610 x 610 mm
MFD-BS-III-900 1650 x 900 x 2250 mm 915 x 610 x 610 mm
MFD-BS/A2-1200 1950 x 900 x 2250 mm 1220 x 610 x 610 mm
Material of Construction (Work Table) Stainless Steel 304
Average Air Velocity 90 ± 20% FPM
HEPA / ULPA Efficiency 99.997% / 99.999%
Class Level ISO 3 / 5 (Class 100)
Noise Level 65 ± 5 dB
Electrical 230 V, 50 Hz, Single Phase
Special Features Motor driven front door, alarm, HEPA filter blockage, timer for UV light, power socket inside the cabinet, pressure sensor monitoring, digital airflow verification,, interior eye level display, display parameters including down flow air velocity, total operating hours.
Standards US FED STD 209 E, ISO 14644-1, IEST- RP-CC-002-2, BSI
Certifications CE & ISO
Note: The above mentioned model are available with Microprocessor controls and Custom built types also